2H-1-benzopyran-2-one, 6,7-dihydroxy- | CAS 305-01-1

Element: benzopyran dihydroxy

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C-S » Chemicals » benzopyran-one-dihydroxy-PX135261

Identification

2H-1-benzopyran-2-one, 6,7-dihydroxy-

CAS:

305-01-1

EINECS:

206-161-5

Molecular Formula:

C₉H₆O₄

MDL:

MFCD00006874

SMILES:

O=c1ccc2c(o1)cc(c(c2)O)O

Synonym:

esculetine ; asculetine ; esculetin ; aesculetin ; esculeti ; esculetin(p) ; esculetol ; cichorigenin ; akos 215-98 ; esculatin

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Prices & Availability

Data is processed

Properties for 2H-1-benzopyran-2-one, 6,7-dihydroxy-

Molecular Weight:

178.14 g·mol−1

Density:

1.56 g/cm³

Melting point:

271-273 °C(lit.)

Boiling point:

469.69° C at 760 mmHg (Predicted)

Solubility:

Soluble in DMSO, DMF, 0.1 M NaOH (1 %) yielding a deep yellow solution, diluted alkalies with blue fluorescence, and acetone. Moderately soluble in Glacial acetic acid, and hot ethanol. Slightly soluble in water. Very faint turbidity in hot methanol. Almost insoluble in ether. Insoluble in hot water.

Hazard Statements

GHS03
Harmful

Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, categories 2, 3
Eye irritation, category 2A
Skin sensitization, category 1
Specific target organ toxicity following single exposure, category 3
- Respiratory tract irritation
- Narcotic effects

Not used

with the "skull and crossbones" pictogram
for skin or eye irritation if:
the "corrosion" pictogram also appears
the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:

R36/37/38 - Irritating to eyes, respiratory system and skin

Safety Codes:

S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing
S37/39 - Wear suitable gloves and eye/face protection

Hazard Symbols:

Storage temperature :

2-8°C

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